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Beolover SyncDrive: DC Platter Motor Replacement for Beogram 4002 and 4004 (Type 551x and 552x)

Late Beogram 4002 and the 4004 (Types 551x and 552x), which have DC platter motors instead of the earlier synchronous AC motors usually suff...

Saturday, September 16, 2017

Beogram 8000: Finishing the Capacitor Replacement

To finish up the main PCB after the capacitor replacement I swapped out the two bad board connectors - P5 and P6. In addition I re-flowed the solder joints on all of the board connectors.






















The next capacitor update was on the platter drive capacitor 4-C1 that is located in the Beogram transformer case. Because the new replacement is much smaller Beolover made a nice capacitor mount using a 3D printer.






























The final two capacitors to replace are the chassis mounted 0-C1 and 0-C2 capacitors (1uF and 47uF respectively).



















That completes the bulk of the electrical restoration. There may some additional electrical component restoration depending on if any of the Beogram sensors or lamps have failed. 

I am anxious to try out the recapped circuitry so the next task on my to-do list is to clean and lubricate the tangential arm assembly. 

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